Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite SA
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Filing date
Publication date
Application filed by Compagnie Generale dElectricite SAfiledCriticalCompagnie Generale dElectricite SA
Priority to ES0171128ApriorityCriticalpatent/ES171128A2/es
Publication of ES171128A2publicationCriticalpatent/ES171128A2/es
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo
(AREA)
Abstract
Circuítos de transmisión por corriente portadora en los cuales las señales de llamada son realizadas medientae una o varias frecuencias comprendidas, para cada una de las líneas portadoras, en una de las bandas no transmitidas, conectándoselos dispositivos de emisiçon y de recepción previa modulación y filtraje de las líneas telefónicas.